An ‘interstellar visitor’ spotted drifting into our solar system weeks ago is either a massive dirty snowball or an alien ...

Founded in 1993, The Motley Fool is a financial services company dedicated to making the world smarter, happier, and richer.

KQ14, nicknamed "Ammonite", was discovered using the Subaru Telescope and is a highly elliptical object with a perihelion and ...

Astronomers witness dawn of new solar system for 1st time Scientists were able to see the moment when planets began to form around a star.

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our own.

Astronomers have discovered a rare instance of a interstellar comet speeding through the solar system. The 3I/ATLAS was first spotted on July 1 by the NASA-funded Asteroid Terrestrial-impact Last ...

Tiny shavings from a single meteorite could completely overturn our understanding of how the solar system formed, after the space rock turned out to be older than expected.

The comet is only the third interstellar object ever detected from a solar system outside our own.

Stocks in the solar sector are trading higher Wednesday on possible continued momentum after the U.S. Senate passed the “One Big Beautiful Bill”. What To Know: According to Reuters, the bill ...

Astronomers have discovered the earliest seeds of rocky planets forming around a baby sun-like star, an unprecedented snapshot of "time zero," when new worlds begin to gel.